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The interfacial transition zone (ITZ) between matrix and aggregate is a weak region because of its physical nature of relatively high porosity and low rigidity. ITZ microstructural configurations such as its thickness and volume fraction play an important role in transport and mechanical behaviours of cementitious composites. However, such ITZ characteristics are usually overestimated since random...
Flow behavior of gas and particles by means of oscillatory opposed dilute gas–solid mixture jets is presented in this work. Two opposed jets with high velocities of gas-particles mixture are made to oscillate with the same frequency but with a phase shift of π/2. The two opposed jet dilute gas–solid streams are idealization of an array of oscillating opposed jets. Numerical simulations are performed...
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